酸化解聚—ICP—AES法测定聚氯化铝中的有害元素

石瑞瑞,胡丹,叶涛,鹿燕,杨铭,廖上富

Determination of hazardous elements in poly aluminum chloride by acid hydrolysis- inductively coupled plasma atomic emission spectroscopy

Ruirui Shi,Dan Hu,Tao Ye,Yan Lu,Ming Yang,Shangfu Liao

表5 各元素在不同质量浓度水平的加标回收率 %

元素 质量浓度/（mg·L-1） 0.2 1.0 5.0 As 97.5 93.5 97.4 Cd 88.5 83.8 89.4 Cr 106 88.0 86.6 Cu 90 96 97 Fe 100 110 94 Hg 100 89.3 87.2 Mn 105 90 88.4 Ni 104 89.2 85.0 Pb 94.5 87.5 88.6 Sb 104 83.8 89.8 Se 106 95.9 95.8